Home / 15,142.10-22,716.78-4,753.84

Finding the Fourth Proportional to 15,142.10, 22,716.78 and 4,753.84

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Solution

The fourth proportional to 15,142.10, 22,716.78 and 4,753.84 is: 7,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.10 : 22,716.78 = 4,753.84 : x
  2. Step 2: Convert to fraction form
    15,142.10/22,716.78 = 4,753.84/x
  3. Step 3: Cross multiply
    15,142.10x = 22,716.78 × 4,753.84
  4. Step 4: Simplify right side
    15,142.10x = 107,991,937.44
  5. Step 5: Solve for x
    x = 107,991,937.44/15,142.10
  6. Step 6: Final answer
    x = 7,131.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.